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elixir [45]
3 years ago
9

What is the sum of 2/5 and 1/4

Mathematics
2 answers:
ra1l [238]3 years ago
4 0
2/5 + 1/4 = 0.65

Hope this helps I guess
Bess [88]3 years ago
3 0
The answer is 13/20. u find the GCF of both denomiators then u add
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At Haines Elementary, 30% of the 120 teachers were male. The following school year, several new teachers were hired. The number
zhannawk [14.2K]
First you create a proportion (30/100=x/120). After you solve this, next you subtract this answer from 120. Then create a proportion for 40% (40/100=x/120). Then add this number to the first answer you got when you subtracted the answer from your first proportion from 120.

6 0
3 years ago
How to graph -7/2x-5. with a picture please.
Anna007 [38]
I recommend using desmos if you wanna know what a graph looks like !

7 0
3 years ago
A phone company offers two monthly plans. Plan A costs $25 plus an additional $0.09 for each minute of calls. Plan B has no init
Lisa [10]

Using linear functions, it is found that the two plans cost the same for 5000 minutes of calling.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0.

For Plan A, the cost is of $25 plus an additional $0.09 for each minute of calls, hence the y-intercept is b = 25, the slope is of a = 0.09, and the function is:

A(x) = 0.09x + 25

For Plan B, the cost is of $0.14 for each minute of calls, hence the y-intercept is b = 0, the slope is of a = 0.14, and the function is:

B(x) = 0.14x

The plans cost the same for x minutes of calling, considering that:

B(x) = A(x)

0.14x = 0.09x + 25

0.05x = 250

x = \frac{250}{0.05}

x = 5000

The two plans cost the same for 5000 minutes of calling.

To learn more about linear functions, you can take a look at brainly.com/question/24808124

6 0
2 years ago
3 out of every 5 picks are orange. if 12 picks are orange, how many picks in all?
katen-ka-za [31]
20 picks 
is the answer

4 0
3 years ago
Jeff subscribed to cable for 75.00 a month and 140.00 installation andrew has another cable co. For 20.00 installation and 90.00
lilavasa [31]
8 months; $740

75x+140=90x+20
Find x then plug it in to find the cost
7 0
3 years ago
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